herbals devils-claw

http://Devil's Claw (Harpagophytum procumbens)

Devil's Claw

Scientific:Harpagophytum procumbens
Other:Devil's Claw

Indications

Musculoskeletal
• rheumatic conditions
- osteoarthritis (OA)
- rheumatoid arthritis (RA)
tendonitis
• sprains / strains
bursitis
• lumbago (chronic back pain)
plantar fasciitis

Gastrointestinal
• atonic digestive complaints
- dyspepsia
- hypochlorhydria

Dermatologic
• skin infections
• wounds
bruises

Actions

antiinflammatory
antirheumatic
analgesic
bitter
stomachic
hepatic
cholagogue
choleretic
antithrombotic

Constituents

• Iridoid glycosides (e.g. harpagoside)
• Diterpenes
• Flavonoids
• Phenolic acids

Posology

• Tincture (1:5 in 40% EtOH): 1-2 ml tid
• Decoction (dried root): 1/2-1 tsp tid

Note: must be taken for at least 1 month before efficacy can be evaluated.

Safety

Gastritis, ulcers: Stimulation of gastric secretions can irritate inflamed mucous membranes; concomitant ingestion of demulcent herbs can help prevent aggravation.

References

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Barnes J, Anderson LA, Phillipson JD. Herbal Medicines, 3rd ed. London: Pharmaceutical Press, 2007.

Bone K. Principles and Practice of Phytotherapy. Edinburgh: Churchill Livingstone, 2000.

Bone K. A Clinical Guide to Blending Liquid Herbs: Herbal Formulations for the Individual Patient. St Louis, MO: Churchill Livingstone, 2003.

Brinker F. The Toxicology of Botanical Medicines, 3rd ed. Sandy, Oregon: Eclectic Medical Publications, 2000.

Felter HW, Lloyd JU. King's American Dispensatory. 1898. http://www.ibiblio.org/herbmed/eclectic/kings/main.html. Accessed: August 19, 2006.

Hoffman D. Medical Herbalism. Rochester, Vermont: Healing Arts Press, 2003.

Weiss RF. Herbal Medicine. Beaconsfield, England: Beaconsfield Publishers Ltd, 1988.

Williamson EM, ed. Major Herbs of Ayurveda. Edinburgh: Churchill Livingstone, 2002

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